Overview
The RPI-121 is a photointerrupters Slot Type Transistor Output made by ROHM Semiconductor with 4 pins. -25℃~+85℃ 10us 10us 1mm 30V 30mA 950nm - Photointerrupters - Slot Type - Transistor Output ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:RPI-121_C3656380, from EasyEDA) and its footprint (EasyEDA_Cloud:OPTO-TH_L3.6-W2.6_RPI-121, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3656380).
Symbol
Footprint
Parameters
13- Dark Current
- 500nA@Vce=10V
- Fall Time
- 10us
- Height
- 3.3mm
- Length
- 3.8mm
- Load Voltage
- 30V
- Operating Temperature
- -25℃~+85℃
- Output Current
- 30mA
- Peak Wavelength
- 950nm
- Pitch
- 2.65mm
- Rise Time
- 10us
- Slot Width
- 1mm
- Voltage - Forward(Vf)
- 1.3V@If=50mA
- Width
- 2.6mm
Order codes
1- RPI-121LCSC C3656380
Pinout
4| Pin | Name | Type |
|---|---|---|
| 1 | K | Unspecified |
| 2 | A | Unspecified |
| 3 | C | Unspecified |
| 4 | E | Unspecified |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/rohm/RPI-121" title="RPI-121 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/rohm/RPI-121.jpg" alt="RPI-121" width="1200" height="900">[](https://pcbkit.io/parts/rohm/RPI-121)Questions
Is there a KiCad symbol and footprint for the RPI-121?
Yes. The symbol is EasyEDA_Cloud:RPI-121_C3656380 and the footprint EasyEDA_Cloud:OPTO-TH_L3.6-W2.6_RPI-121, both drawn on this page. PCBKit places them on a board for you when you design with it.
Where can I order the RPI-121?
JLCPCB lists it as part C3656380, with 0 in stock; the sellers' links on this page open their listings.